[gpaw-users] Plotting error

[Jens Jørgen Mortensen]

On 04/26/2016 09:27 AM, Varadharajan Srinivasan via gpaw-users wrote:
> Dear all,
>
> I was trying out a tutorial calculation on WS2 band structure with 
> spin-orbit coupling. I modified the system to MoS2 and tried out the 
> python scripts given in the tutorial. At the plotting stage I get the 
> following error :

What version of matplotlib do you have?  You could try to a "pip install 
-U --user matplotlib" and see if that helps.

Jens Jørgen

>
>  plt.savefig('MoS2_bands.png')
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/pyplot.py", 
> line 688, in savefig
>     res = fig.savefig(*args, **kwargs)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/figure.py", 
> line 1565, in savefig
>     self.canvas.print_figure(*args, **kwargs)
>   File 
> "/usr/local/lib/python2.7/site-packages/matplotlib/backend_bases.py", 
> line 2232, in print_figure
>     **kwargs)
>   File 
> "/usr/local/lib/python2.7/site-packages/matplotlib/backends/backend_agg.py", 
> line 527, in print_png
>     FigureCanvasAgg.draw(self)
>   File 
> "/usr/local/lib/python2.7/site-packages/matplotlib/backends/backend_agg.py", 
> line 474, in draw
>     self.figure.draw(self.renderer)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/artist.py", 
> line 61, in draw_wrapper
>     draw(artist, renderer, *args, **kwargs)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/figure.py", 
> line 1159, in draw
>     func(*args)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/artist.py", 
> line 61, in draw_wrapper
>     draw(artist, renderer, *args, **kwargs)
>   File 
> "/usr/local/lib/python2.7/site-packages/matplotlib/axes/_base.py", 
> line 2324, in draw
>     a.draw(renderer)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/artist.py", 
> line 61, in draw_wrapper
>     draw(artist, renderer, *args, **kwargs)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/lines.py", 
> line 739, in draw
>     ln_color_rgba = self._get_rgba_ln_color()
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/lines.py", 
> line 1251, in _get_rgba_ln_color
>     return colorConverter.to_rgba(self._color, self._alpha)
>   File "/usr/local/lib/python2.7/site-packages/matplotlib/colors.py", 
> line 376, in to_rgba
>     'to_rgba: Invalid rgba arg "%s"\n%s' % (str(arg), exc))
> ValueError: to_rgba: Invalid rgba arg "0.5"
> to_rgb: Invalid rgb arg "0.5"
> cannot convert argument to rgb sequence
>
>
> Have I missed installing some libraries? I am working on a brew-based 
> installation of ase and gpaw on El Capitan Mac OS X.
>
> Thanks,
> Vardha.
>
>
>
> _______________________________________________
> gpaw-users mailing list
> gpaw-users at listserv.fysik.dtu.dk
> https://listserv.fysik.dtu.dk/mailman/listinfo/gpaw-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listserv.fysik.dtu.dk/pipermail/gpaw-users/attachments/20160426/be02db34/attachment.html>